The 2pcs 16 LED Dual-Color Taillights Round Taillights are designed for trucks and provide a combination of brake, stop, turn signal, and tail lights. These lights are suitable for cars, trucks, trailers, and other vehicles with a 12V power supply. Featuring a durable rubber and plastic construction, these taillights are built to withstand impact and are not easily damaged. Each LED light is waterproof and sealed, ensuring long-lasting performance. With a lifespan of over 50,000 hours, these lights are designed to last. The taillights have a diameter of 10cm (3.93 inches) and a thickness of 3cm. They feature 16 LEDs in total, with 10 red LEDs for the tail light and brake function, and 6 amber LEDs for the turn and stop signal function. The lights are powered by a DC12-24V voltage and consume 3-5W of power. With a 4-wire connection system, these taillights are easy to install. The black wire is the negative wire, the red wire is for the brake light, the blue wire is for the tail light or operation light, and the yellow wire is for the light shift signal light. These taillights are versatile and can be used in a wide range of applications. They are suitable for all vehicles with a 12V power supply, including cars, trucks, trailers, semi-trailers, boats, flatbeds, buses, RVs, campers, and motorhomes. Package includes: 1*Tail light. Key Features: 16 LED dual-color taillights for trucks Waterproof and impact-resistant design Easy installation with 4-wire connection system Suitable for vehicles with 12V power supply Durable rubber and plastic construction Long lifespan of over 50,000 hours Provides brake, stop, turn signal, and tail lights Compact size with a diameter of 10cm